<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>字符串找不同</title>
</head>

<body>
  <script>
    function array(a, b) {
      for (let i of a) {
        // replace() 方法返回已替换值的新字符串
        b = b.replace(i, '')
      }
      return b
    }
    console.log(array('abcl', 'bcdaekip'))
  </script>
</body>

</html>